* {
	margin: 0;
	padding: 0;
	list-style: none;
}

h1 {
	font-size: 28px;
	width: 400px;
	margin: 0 auto;
	text-align: center;
	margin-top: 100px;
	font-weight: 400;
}

#header {
	height: 78px;
	width: 894px;
	/* border: 1px solid  #ccc; */
	margin: 0 auto;
	display: flex;
	justify-content: space-around;
}

#header>div {
	flex: 2;
	/* background-color: red; */
}

#header #header_left {
	flex: 1;
	/* background-color: black; */
	overflow: hidden;
	text-align: center;
	line-height: 78px;
	color: #ccc;
}

#header #header_left div {
	width: 160px;
	height: 100%;
	float: left;
	cursor: pointer;
}

#header #header_left div:nth-child(2) {
	width: 90px;
	float: left;
}

#header #header_left div:nth-child(2)::after {
	content: "";
	width: 0;
	height: 0;
	display: inline-block;
	border: 5px solid transparent;
	border-top: 5px solid #666;
	margin-left: 2px;
}

#content {
	width: 400px;
	margin: 0 auto;
	padding-top: 40px;
}


#content div {
	height: 45px;
	border-radius: 5px;
	background-color: rgb(247, 247, 247);
	margin-bottom: 10px;
}

#content span {
	width: 100%;
	height: 30px;
	line-height: 30px;
	display: block;
	color: #ccc;
	font-size: 13px;
	margin-bottom: 2px;
}

/* form {
	width: 400px;
	margin: 0 auto;
	padding-top: 40px;
}

form input {
	height: 45px;
	width: 100%;
	border-radius: 5px;
	background-color: rgb(247, 247, 247);
	margin-bottom: 10px;
	border: 0;
} */

#bottom {
	width: 583px;
	margin: 140px auto 0;
	font-size: 15px;
	color: #ccc;
}

#submit {
	width: 120px;
	height: 39px;
	border: none;
	background-color: rgb(192, 241, 217);
	color: #fff;
	border-radius: 9px;
	margin-left: 140px;
	margin-top: 20px;
}

div>strong {
	font-weight: 400;
	font-size: 15px;
}

a {
	text-decoration: none;
	color: rgb(42, 209, 129)
}

#one {
	text-indent: 20px;
}

#one div {
	float: left;
}

#tree input,
#five input {
	width: 100%;
	height: 100%;
	border-radius: 5px;
	border: 0;
	background-color: rgb(247, 247, 247);
	text-indent: 20px;
	font-size: 16px;
	color: #666;

}

#five {
	position: relative;
}

#five::before {
	position: absolute;
	right: 10px;
	top: 7px;
}

input {
	outline: none;
}
